ESP32-WROOM-32 WiFi Bluetooth Microcontroller Module from China

The ESP32-WROOM-32 is a 32-bit dual-core Xtensa LX6 microcontroller with integrated WiFi and Bluetooth, 520KB SRAM, and GPIO pins for IoT applications. Classified under HTS 8542.31.00.25 due to its 32-bit controller architecture with wireless connectivity capabilities.

Duty Rate — China → United States

50%

Rate breakdown

9903.91.0550%Effective with respect to entries on or after January 1, 2025, articles the product of China, as provided for in subdivision (f) of U.S. note 31 to this subchapter
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Import Tips

Modules with antennas may require FCC ID verification for radio compliance

Confirm 32-bit architecture in technical documentation for proper classification

Watch for anti-dumping duties if sourced from certain PRC manufacturers